In 1990 Hayes again defeated David Thibodaux. The tally was 103,308 (58 percent) for Hayes, 68,430 (38 percent) for Thibodaux, and 7,364 (4 percent) for Democrat Johnny Myers.

In 1992, Hayes defeated his own brother, Fredric Hayes, a Republican, with whom he had quarreled. Hayes received 84,149 (73 percent) to his brother's 23,870 (21 percent). A second Republican, Robert J. "Bob" Nain, polled 7,184 votes (6 percent).